#include<stdio.h>
main()
{
int i,j,n;
printf("\n enter n: ");
scanf("%d",&n);
for(i=1;i<=n;i++)
{
	for (j=1;j<=i;j++)
	printf("* ");
          printf("\n");
}
}
/* output
enter n: 10
* 
* * 
* * * 
* * * * 
* * * * * 
* * * * * * 
* * * * * * * 
* * * * * * * * 
* * * * * * * * * 
* * * * * * * * * * 
*/
